The ABB CM-PVS.41S is a three-phase monitoring relay designed to supervise critical parameters in three-phase power systems, ensuring equipment protection and operational reliability.
Key Specifications
Rated Voltage (L-L): 300–500 V AC
Frequency: 50/60 Hz
Monitoring Functions: Phase sequence, phase failure, overvoltage, undervoltage
Output Contacts: 2 changeover contacts (2 c/o, SPDT), rated at 250 V AC / 4 A
Tripping Delay (Tv): Adjustable from 0.1 to 30 seconds; can be set to 0 s for instantaneous response
Start-up Delay (Ts): Fixed at 200 ms
Connection Type: Screw terminals
Mounting: DIN rail (22.5 mm width)
Housing Protection: IP50 (housing), IP20 (terminals)
Operating Temperature: -25°C to +60°C
Measuring Principle: True RMS (TRMS)
Standards Compliance: IEC/EN 60255-1, EN 50178, UL 508, CAN/CSA C22.2 No.14
ABB CM-PVS.41S – three-phase monitoring relay for over/undervoltage, phase sequence, and phase failure protection. Reliable control and electrical safety
